The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 11, 2002
Filed:
Oct. 18, 2000
Applicant:
Inventors:
Amedeo Leonardi, Milan, IT;
Gianni Motta, Barlassina, IT;
Carlo Riva, Varese, IT;
Giorgio Sironi, Pieve Emanuele, IT;
Assignee:
Recordati, S.A. Chemical and Pharmaceutical Company, Chiasso, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 3/1496 ; C07D / ;
U.S. Cl.
CPC ...
A61K 3/1496 ; C07D / ;
Abstract
The invention relates to novel benzopyran derivatives of formula I, their N-oxides and pharmaceutically acceptable salts thereof. The compounds are endowed with enhanced selectivity for alpha1-adrenergic receptors and a low activity in lowering blood pressure. The compounds are useful in the treatment of obstructive syndromes of the lower urinary tract, including benign prostatic hyperplasia (BPH), and in the treatment of lower urinary tract symptoms (LUTS), neurogenic lower urinary tract dysfunction (NLUTD), and other conditions.